Helenium amarum (Raf.) H.Rock

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THE NEW YORK BOTANICAL GARDEN
PLANTS OF MISSOURI
No* 24077.	ÀUg* 1,
Helenium tenuifolium Nutt.
I
In field east of Boliyer, Poli: Co*
Collected and identified by Julian A. Steyermark, 1987,
Helenium amara (Raf.) comb, nov., in ed.
Examined in revisionai study of the decurrent-
leaved species of Selenium L.
H. F. L. ROCK
NEW YORK BOTANICAL GARDEN
02881699
02881699